When the AES-CCM code was first added, the NEON register were saved
and restored eagerly, and so the code avoided doing so, and executed
the scatterwalk in atomic context inside the kernel_neon_begin/end
section.
This has been changed in the meantime, so switch to non-atomic
scatterwalks.
Fixes:
bd2ad885e30d ("crypto: arm64/aes-ce-ccm - move kernel mode neon ...")
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
/* preserve the original iv for the final round */
memcpy(buf, req->iv, AES_BLOCK_SIZE);
- err = skcipher_walk_aead_encrypt(&walk, req, true);
+ err = skcipher_walk_aead_encrypt(&walk, req, false);
if (may_use_simd()) {
while (walk.nbytes) {
/* preserve the original iv for the final round */
memcpy(buf, req->iv, AES_BLOCK_SIZE);
- err = skcipher_walk_aead_decrypt(&walk, req, true);
+ err = skcipher_walk_aead_decrypt(&walk, req, false);
if (may_use_simd()) {
while (walk.nbytes) {